Pith Number

pith:AX2K5IW5

pith:2018:AX2K5IW5LR63PBIR6L5AJSPBD2

not attested not anchored not stored refs pending

Constraining the photon coupling of ultra-light dark-matter axion-like particles by polarization variations of parsec-scale jets in active galaxies

A.B. Pushkarev, A.G. Panin, M.L. Lister, M.M. Ivanov, S.V. Troitsky, T. Savolainen, Y.Y. Kovalev

arxiv:1811.10997 v1 · 2018-11-27 · astro-ph.CO · hep-ph · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AX2K5IW5LR63PBIR6L5AJSPBD2}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:52:21.685867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05f4aea2dd5c7db78511f2fa04c9e11e9e86f453b67a231e2d4446e1130d5240

Aliases

arxiv: 1811.10997 · arxiv_version: 1811.10997v1 · doi: 10.48550/arxiv.1811.10997 · pith_short_12: AX2K5IW5LR63 · pith_short_16: AX2K5IW5LR63PBIR · pith_short_8: AX2K5IW5

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/AX2K5IW5LR63PBIR6L5AJSPBD2 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 05f4aea2dd5c7db78511f2fa04c9e11e9e86f453b67a231e2d4446e1130d5240

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58bbdadd0d22128069eb605c5ae53f95bedb2452fcd54daa9bf30d43929381e0",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-11-27T14:08:50Z",
    "title_canon_sha256": "ab577edec8cc5e905491b54ae2622e8623a09db751c3e42cbd0ca1bc28c95fea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.10997",
    "kind": "arxiv",
    "version": 1
  }
}